[syzbot] [ocfs2?] kernel BUG in _ocfs2_free_suballoc_bits
9 views
Skip to first unread message
syzbot
Sep 3, 2024, 6:29:20 AMSep 3
to jl...@evilplan.org, jose...@linux.alibaba.com, linux-...@vger.kernel.org, ma...@fasheh.com, ocfs2...@lists.linux.dev, syzkall...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: fb24560f31f9 Merge tag 'lsm-pr-20240830' of git://git.kern..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15107925980000
kernel config: https://syzkaller.appspot.com/x/.config?x=996585887acdadb3
dashboard link: https://syzkaller.appspot.com/bug?extid=2d6d9df993967dde8297
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-fb24560f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2d39db26a2bc/vmlinux-fb24560f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/8910481ae16e/bzImage-fb24560f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2d6d9d...@syzkaller.appspotmail.com
loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2542!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5120 Comm: syz.0.0 Not tainted 6.11.0-rc5-syzkaller-00207-gfb24560f31f9 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:_ocfs2_free_suballoc_bits+0x11a2/0x14a0 fs/ocfs2/suballoc.c:2542
Code: 18 e9 8f fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 92 fb ff ff 4c 89 e7 e8 39 c7 6a fe e9 85 fb ff ff e8 7f 7b 03 fe 90 <0f> 0b e8 77 7b 03 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 45 c6 73 7c bf
RSP: 0018:ffffc90002e5f840 EFLAGS: 00010287
RAX: ffffffff839010b1 RBX: 00000000ffffffff RCX: 0000000000040000
RDX: ffffc9000b849000 RSI: 000000000001fa9e RDI: 000000000001fa9f
RBP: ffffc90002e5f9e8 R08: ffffffff8390000c R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff2030dbe R12: ffff88804098f0e8
R13: dffffc0000000000 R14: ffff888013113e00 R15: dffffc0000000000
FS: 00007f44d49666c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f44d4923f98 CR3: 000000000072c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
_ocfs2_free_clusters+0x5ff/0xad0 fs/ocfs2/suballoc.c:2646
ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5971 [inline]
__ocfs2_flush_truncate_log+0x760/0x1250 fs/ocfs2/alloc.c:6054
ocfs2_flush_truncate_log+0x4f/0x70 fs/ocfs2/alloc.c:6076
ocfs2_sync_fs+0x125/0x390 fs/ocfs2/super.c:402
iterate_supers+0xc6/0x190 fs/super.c:934
ksys_sync+0xdb/0x1c0 fs/sync.c:104
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f44d3b79eb9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f44d4966038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f44d3d15f80 RCX: 00007f44d3b79eb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f44d3be793e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f44d3d15f80 R15: 00007ffee36f9688
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0x11a2/0x14a0 fs/ocfs2/suballoc.c:2542
Code: 18 e9 8f fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 92 fb ff ff 4c 89 e7 e8 39 c7 6a fe e9 85 fb ff ff e8 7f 7b 03 fe 90 <0f> 0b e8 77 7b 03 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 45 c6 73 7c bf
RSP: 0018:ffffc90002e5f840 EFLAGS: 00010287
RAX: ffffffff839010b1 RBX: 00000000ffffffff RCX: 0000000000040000
RDX: ffffc9000b849000 RSI: 000000000001fa9e RDI: 000000000001fa9f
RBP: ffffc90002e5f9e8 R08: ffffffff8390000c R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff2030dbe R12: ffff88804098f0e8
R13: dffffc0000000000 R14: ffff888013113e00 R15: dffffc0000000000
FS: 00007f44d49666c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f44d4923f98 CR3: 000000000072c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: fb24560f31f9 Merge tag 'lsm-pr-20240830' of git://git.kern..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15107925980000
kernel config: https://syzkaller.appspot.com/x/.config?x=996585887acdadb3
dashboard link: https://syzkaller.appspot.com/bug?extid=2d6d9df993967dde8297
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-fb24560f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2d39db26a2bc/vmlinux-fb24560f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/8910481ae16e/bzImage-fb24560f.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2d6d9d...@syzkaller.appspotmail.com
loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2542!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5120 Comm: syz.0.0 Not tainted 6.11.0-rc5-syzkaller-00207-gfb24560f31f9 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:_ocfs2_free_suballoc_bits+0x11a2/0x14a0 fs/ocfs2/suballoc.c:2542
Code: 18 e9 8f fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 92 fb ff ff 4c 89 e7 e8 39 c7 6a fe e9 85 fb ff ff e8 7f 7b 03 fe 90 <0f> 0b e8 77 7b 03 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 45 c6 73 7c bf
RSP: 0018:ffffc90002e5f840 EFLAGS: 00010287
RAX: ffffffff839010b1 RBX: 00000000ffffffff RCX: 0000000000040000
RDX: ffffc9000b849000 RSI: 000000000001fa9e RDI: 000000000001fa9f
RBP: ffffc90002e5f9e8 R08: ffffffff8390000c R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff2030dbe R12: ffff88804098f0e8
R13: dffffc0000000000 R14: ffff888013113e00 R15: dffffc0000000000
FS: 00007f44d49666c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f44d4923f98 CR3: 000000000072c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
_ocfs2_free_clusters+0x5ff/0xad0 fs/ocfs2/suballoc.c:2646
ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5971 [inline]
__ocfs2_flush_truncate_log+0x760/0x1250 fs/ocfs2/alloc.c:6054
ocfs2_flush_truncate_log+0x4f/0x70 fs/ocfs2/alloc.c:6076
ocfs2_sync_fs+0x125/0x390 fs/ocfs2/super.c:402
iterate_supers+0xc6/0x190 fs/super.c:934
ksys_sync+0xdb/0x1c0 fs/sync.c:104
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f44d3b79eb9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f44d4966038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007f44d3d15f80 RCX: 00007f44d3b79eb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f44d3be793e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f44d3d15f80 R15: 00007ffee36f9688
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0x11a2/0x14a0 fs/ocfs2/suballoc.c:2542
Code: 18 e9 8f fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 92 fb ff ff 4c 89 e7 e8 39 c7 6a fe e9 85 fb ff ff e8 7f 7b 03 fe 90 <0f> 0b e8 77 7b 03 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 45 c6 73 7c bf
RSP: 0018:ffffc90002e5f840 EFLAGS: 00010287
RAX: ffffffff839010b1 RBX: 00000000ffffffff RCX: 0000000000040000
RDX: ffffc9000b849000 RSI: 000000000001fa9e RDI: 000000000001fa9f
RBP: ffffc90002e5f9e8 R08: ffffffff8390000c R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff2030dbe R12: ffff88804098f0e8
R13: dffffc0000000000 R14: ffff888013113e00 R15: dffffc0000000000
FS: 00007f44d49666c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f44d4923f98 CR3: 000000000072c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot
Sep 9, 2024, 2:22:26 PMSep 9
to jl...@evilplan.org, jose...@linux.alibaba.com, linux-...@vger.kernel.org, ma...@fasheh.com, ocfs2...@lists.linux.dev, syzkall...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: da3ea35007d0 Linux 6.11-rc7
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=139d743b980000
kernel config: https://syzkaller.appspot.com/x/.config?x=61d235cb8d15001c
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-da3ea350.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1ab780d224f6/vmlinux-da3ea350.xz
kernel image: https://storage.googleapis.com/syzbot-assets/834dde85c1c2/bzImage-da3ea350.xz
mounted in repro #1: https://storage.googleapis.com/syzbot-assets/fac451c0badd/mount_2.gz
mounted in repro #2: https://storage.googleapis.com/syzbot-assets/81fbd0552bdc/mount_23.gz
mounted in repro #3: https://storage.googleapis.com/syzbot-assets/03da9db81461/mount_24.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2d6d9d...@syzkaller.appspotmail.com
RSP: 0018:ffffc90003147840 EFLAGS: 00010293
RAX: ffffffff83903461 RBX: 00000000ffffffff RCX: ffff888034b74880
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc900031479e8 R08: ffffffff839023bc R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff2030ee6 R12: ffff88803fa77bc8
R13: dffffc0000000000 R14: ffff88804c17ae00 R15: dffffc0000000000
FS: 00007fedd93ef6c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
RAX: ffffffffffffffda RBX: 00007fedd8736058 RCX: 00007fedd857cef9
RSP: 0018:ffffc90003147840 EFLAGS: 00010293
RAX: ffffffff83903461 RBX: 00000000ffffffff RCX: ffff888034b74880
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc900031479e8 R08: ffffffff839023bc R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff2030ee6 R12: ffff88803fa77bc8
R13: dffffc0000000000 R14: ffff88804c17ae00 R15: dffffc0000000000
FS: 00007fedd93ef6c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
HEAD commit: da3ea35007d0 Linux 6.11-rc7
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=139d743b980000
kernel config: https://syzkaller.appspot.com/x/.config?x=61d235cb8d15001c
dashboard link: https://syzkaller.appspot.com/bug?extid=2d6d9df993967dde8297
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14a32200580000
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-da3ea350.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1ab780d224f6/vmlinux-da3ea350.xz
kernel image: https://storage.googleapis.com/syzbot-assets/834dde85c1c2/bzImage-da3ea350.xz
mounted in repro #1: https://storage.googleapis.com/syzbot-assets/fac451c0badd/mount_2.gz
mounted in repro #2: https://storage.googleapis.com/syzbot-assets/81fbd0552bdc/mount_23.gz
mounted in repro #3: https://storage.googleapis.com/syzbot-assets/03da9db81461/mount_24.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2d6d9d...@syzkaller.appspotmail.com
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2542!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5596 Comm: syz.0.31 Not tainted 6.11.0-rc7-syzkaller #0
kernel BUG at fs/ocfs2/suballoc.c:2542!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:_ocfs2_free_suballoc_bits+0x11a2/0x14a0 fs/ocfs2/suballoc.c:2542
Code: 18 e9 8f fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 92 fb ff ff 4c 89 e7 e8 c9 a0 6a fe e9 85 fb ff ff e8 4f 58 03 fe 90 <0f> 0b e8 47 58 03 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 95 a2 73 7c bf
RIP: 0010:_ocfs2_free_suballoc_bits+0x11a2/0x14a0 fs/ocfs2/suballoc.c:2542
RSP: 0018:ffffc90003147840 EFLAGS: 00010293
RAX: ffffffff83903461 RBX: 00000000ffffffff RCX: ffff888034b74880
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc900031479e8 R08: ffffffff839023bc R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff2030ee6 R12: ffff88803fa77bc8
R13: dffffc0000000000 R14: ffff88804c17ae00 R15: dffffc0000000000
FS: 00007fedd93ef6c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1fc838b897 CR3: 0000000056c10000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
_ocfs2_free_clusters+0x5ff/0xad0 fs/ocfs2/suballoc.c:2646
ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5971 [inline]
__ocfs2_flush_truncate_log+0x760/0x1250 fs/ocfs2/alloc.c:6054
ocfs2_flush_truncate_log+0x4f/0x70 fs/ocfs2/alloc.c:6076
ocfs2_sync_fs+0x125/0x390 fs/ocfs2/super.c:402
iterate_supers+0xc6/0x190 fs/super.c:934
ksys_sync+0xdb/0x1c0 fs/sync.c:104
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fedd857cef9
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
_ocfs2_free_clusters+0x5ff/0xad0 fs/ocfs2/suballoc.c:2646
ocfs2_replay_truncate_records fs/ocfs2/alloc.c:5971 [inline]
__ocfs2_flush_truncate_log+0x760/0x1250 fs/ocfs2/alloc.c:6054
ocfs2_flush_truncate_log+0x4f/0x70 fs/ocfs2/alloc.c:6076
ocfs2_sync_fs+0x125/0x390 fs/ocfs2/super.c:402
iterate_supers+0xc6/0x190 fs/super.c:934
ksys_sync+0xdb/0x1c0 fs/sync.c:104
__do_sys_sync+0xe/0x20 fs/sync.c:113
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fedd93ef038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2
RAX: ffffffffffffffda RBX: 00007fedd8736058 RCX: 00007fedd857cef9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fedd85ef046 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fedd8736058 R15: 00007ffde5c8eca8
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0x11a2/0x14a0 fs/ocfs2/suballoc.c:2542
Code: 18 e9 8f fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 92 fb ff ff 4c 89 e7 e8 c9 a0 6a fe e9 85 fb ff ff e8 4f 58 03 fe 90 <0f> 0b e8 47 58 03 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 95 a2 73 7c bf
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_ocfs2_free_suballoc_bits+0x11a2/0x14a0 fs/ocfs2/suballoc.c:2542
RSP: 0018:ffffc90003147840 EFLAGS: 00010293
RAX: ffffffff83903461 RBX: 00000000ffffffff RCX: ffff888034b74880
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc900031479e8 R08: ffffffff839023bc R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff2030ee6 R12: ffff88803fa77bc8
R13: dffffc0000000000 R14: ffff88804c17ae00 R15: dffffc0000000000
FS: 00007fedd93ef6c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f04fbd58000 CR3: 0000000056c10000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
If you want syzbot to run the reproducer, reply with:
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
syzbot
Sep 18, 2024, 8:04:27 PMSep 18
to jl...@evilplan.org, jose...@linux.alibaba.com, linux-...@vger.kernel.org, ma...@fasheh.com, ocfs2...@lists.linux.dev, syzkall...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: 5f5673607153 Merge branch 'for-next/core' into for-kernelci
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=15caffc7980000
kernel config: https://syzkaller.appspot.com/x/.config?x=dedbcb1ff4387972
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=158c4b00580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13cffa07980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/40172aed5414/disk-5f567360.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/58372f305e9d/vmlinux-5f567360.xz
kernel image: https://storage.googleapis.com/syzbot-assets/d2aae6fa798f/Image-5f567360.gz.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/f1783fdb50b3/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2d6d9d...@syzkaller.appspotmail.com
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:2558!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 UID: 0 PID: 6412 Comm: syz-executor137 Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : _ocfs2_free_suballoc_bits+0x8ec/0x1370 fs/ocfs2/suballoc.c:2558
lr : _ocfs2_free_suballoc_bits+0x8ec/0x1370 fs/ocfs2/suballoc.c:2558
sp : ffff80009be27040
x29: ffff80009be271c0 x28: ffff0000dee22c60 x27: dfff800000000000
x26: ffff0000deed4000 x25: 0000000000000000 x24: ffff7000137c4e1c
x23: 0000000000000002 x22: ffff0000def04178 x21: ffff0000def03900
x20: 0000000000000000 x19: ffff0000e2516000 x18: 1fffe000366d79ee
x17: ffff80008f56d000 x16: ffff800083032784 x15: 0000000000000001
x14: 1ffff000137c4dac x13: 0000000000000000 x12: ffff80009be26f40
x11: ffff8000820904b8 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000d97ddac0 x7 : ffff80008201e048 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0000deed4000 x1 : 0000000000000000 x0 : 0000000000000002
Call trace:
_ocfs2_free_suballoc_bits+0x8ec/0x1370 fs/ocfs2/suballoc.c:2558
ocfs2_free_suballoc_bits fs/ocfs2/suballoc.c:2598 [inline]
ocfs2_free_dinode+0xb0/0xe8 fs/ocfs2/suballoc.c:2613
ocfs2_remove_inode fs/ocfs2/inode.c:696 [inline]
ocfs2_wipe_inode fs/ocfs2/inode.c:818 [inline]
ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline]
ocfs2_evict_inode+0x281c/0x468c fs/ocfs2/inode.c:1216
evict+0x418/0x894 fs/inode.c:704
iput_final fs/inode.c:1838 [inline]
iput+0x74c/0x830 fs/inode.c:1864
d_delete_notify include/linux/fsnotify.h:332 [inline]
vfs_rmdir+0x35c/0x468 fs/namei.c:4306
do_rmdir+0x2e0/0x720 fs/namei.c:4352
__do_sys_unlinkat fs/namei.c:4528 [inline]
__se_sys_unlinkat fs/namei.c:4522 [inline]
__arm64_sys_unlinkat+0xdc/0xf8 fs/namei.c:4522
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: 97932c46 f9400ffc 17fffe2a 97932c43 (d4210000)
HEAD commit: 5f5673607153 Merge branch 'for-next/core' into for-kernelci
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=15caffc7980000
kernel config: https://syzkaller.appspot.com/x/.config?x=dedbcb1ff4387972
dashboard link: https://syzkaller.appspot.com/bug?extid=2d6d9df993967dde8297
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=158c4b00580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13cffa07980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/40172aed5414/disk-5f567360.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/58372f305e9d/vmlinux-5f567360.xz
kernel image: https://storage.googleapis.com/syzbot-assets/d2aae6fa798f/Image-5f567360.gz.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/f1783fdb50b3/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2d6d9d...@syzkaller.appspotmail.com
kernel BUG at fs/ocfs2/suballoc.c:2558!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 UID: 0 PID: 6412 Comm: syz-executor137 Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : _ocfs2_free_suballoc_bits+0x8ec/0x1370 fs/ocfs2/suballoc.c:2558
lr : _ocfs2_free_suballoc_bits+0x8ec/0x1370 fs/ocfs2/suballoc.c:2558
sp : ffff80009be27040
x29: ffff80009be271c0 x28: ffff0000dee22c60 x27: dfff800000000000
x26: ffff0000deed4000 x25: 0000000000000000 x24: ffff7000137c4e1c
x23: 0000000000000002 x22: ffff0000def04178 x21: ffff0000def03900
x20: 0000000000000000 x19: ffff0000e2516000 x18: 1fffe000366d79ee
x17: ffff80008f56d000 x16: ffff800083032784 x15: 0000000000000001
x14: 1ffff000137c4dac x13: 0000000000000000 x12: ffff80009be26f40
x11: ffff8000820904b8 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000d97ddac0 x7 : ffff80008201e048 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0000deed4000 x1 : 0000000000000000 x0 : 0000000000000002
Call trace:
_ocfs2_free_suballoc_bits+0x8ec/0x1370 fs/ocfs2/suballoc.c:2558
ocfs2_free_suballoc_bits fs/ocfs2/suballoc.c:2598 [inline]
ocfs2_free_dinode+0xb0/0xe8 fs/ocfs2/suballoc.c:2613
ocfs2_remove_inode fs/ocfs2/inode.c:696 [inline]
ocfs2_wipe_inode fs/ocfs2/inode.c:818 [inline]
ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline]
ocfs2_evict_inode+0x281c/0x468c fs/ocfs2/inode.c:1216
evict+0x418/0x894 fs/inode.c:704
iput_final fs/inode.c:1838 [inline]
iput+0x74c/0x830 fs/inode.c:1864
d_delete_notify include/linux/fsnotify.h:332 [inline]
vfs_rmdir+0x35c/0x468 fs/namei.c:4306
do_rmdir+0x2e0/0x720 fs/namei.c:4352
__do_sys_unlinkat fs/namei.c:4528 [inline]
__se_sys_unlinkat fs/namei.c:4522 [inline]
__arm64_sys_unlinkat+0xdc/0xf8 fs/namei.c:4522
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: 97932c46 f9400ffc 17fffe2a 97932c43 (d4210000)
---[ end trace 0000000000000000 ]---
Reply all
Reply to author
Forward
0 new messages